shcheck/checks/mpd.sh

#Copyright (C) 2016,2023 Weber Yann
#
#This program is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 3 of the License, or
#any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.

check_mpc() {
	# check_mpc [$host [$port] ]
	# tests if you can contact an MPD server in a client way
	# returns the current state of the server

	host=$1
	port=$2

	if [ -z "$host" ]
	then
		host=127.0.0.1
	fi

	if [ -z "$port" ]
	then
		port=6600
	fi

	if echo "status" | nc -w 1 "$host" "$port" | head -1 | grep "^OK MPD"
	then
		success "MPD server can be contacted on $host:$port"
		status=$(echo "status" | nc -w 1 "$host" "$port" | grep "^state:"|cut -d: -f2)
		success "It's state is : $status"
	fi
}